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  • [发明专利]US19990320157 _ HASEGAWA NOBUKI SUGANO YUKIO YAMAMOTO SHIGERU 1999年05月26日
    Performance data of components of a construction machine is measured by the steps of automatically operating the component mounted to the construction machine so as to satisfy one of a plurality of measurement conditions which are preliminarily set, a...
  • [发明专利]US19990251063 _ CARTER ERNEST E JR 1999年02月18日
    A method is disclosed for constructing, verifying, and maintaining underground vaults that isolate and contain radioactive burial sites. The method employs a buoyant lift technique to isolate a block of soil containing the contaminates from the surrou...
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    [发明专利]JP19990180293 _ 1999年06月25日
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    [发明专利]JP19990160209 _ 1999年06月07日
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    [发明专利]JP19990184952 _ 1999年06月30日
  • 6.
    [发明专利]JP20000588773 _ 1999年12月09日
  • 7.
    [发明专利]JP19990115994 _ 1999年04月23日
  • 8.
    [发明专利]JP19990308936 _ 1999年10月29日
    PROBLEM TO BE SOLVED: To shorten a construction period of lining work by reducing the working for attaching a lining plate at the job site of lining tank construction. SOLUTION: A sandwich-like steel building frame structure connects an inside steel p...
  • 9.
    [发明专利]JP19990172441 _ 1999年06月18日
  • [发明专利]JP19990025800 _ HITACHI LTD 1999年02月03日
    PROBLEM TO BE SOLVED: To realize space efficiency of a reinforced concrete building, avoiding deterioration of building strength. SOLUTION: In a floor-cum-ceiling wall 15 and a side wall of a reinforced concrete building, the areas of beams 1 of a cei...
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